I'd find a matching paint, for the plates.We're not too bothered about the facebooks, and tbh don't really notice them already which is good!
It can in theory although I've never seen it happen. The curing agent in most silicones creates acetic acid and this can definitely etch stainless steel. You can use a polyurethane sealant if you're concerned, or look for an acetone or alkoxy cure silicone.Be care full, would silicon tarnish the finish, maybe someone else knows
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